30Pack Swimming Pool Filter Skimmer Socks for Inground & Above Ground Pool Fine Mesh Leaves Pollen Catcher Debris Pre-Filter Scum Sock, Pool Basket Ne REDUCES POOL MAINTENANCE TIME: The pool socks catch the small stuff that would normally get past the skimmer and into your pool filter. Your dont need to take the filter housing apart to pressure wash the filters. MESH FILTER SOCKS: Fine dirt particles settle on the bottom of the pool and are impossible to vacuum as they are too fine and just cycle through again. These filter socks are a priceless time saver and collect all of that fine silt and dirt! TRAPS ALL THE HAIR & DEBRIS: Dog friends come to jump and swim regularly. With these socks, 90% of the hair is caught and trashed quickly. It has not only eliminated virtually all the hair, but also all the other small surface debris such as tree bush and bugs that doesn't get caught when using the hand held pole net. IDEAL POOL ACCESSORIES: Pool filter sock is a very effectively pre-filter that frustrating algae that used to continually run through the filter and deposit back into the pool. It is also used in place of the debris net on your pool vacuum to catch the smallest particles. DURABLE AND REUSABLE: Clean the pool skimmer sock of leaves and dirt, wash it off, and re-use it until it wears out. This way the package lasts a long time. These skimmer socks do an amazing job at keeping the pool clean by catching smaller things that get through the basket.